There are many errors

[liyong0310]

I have configured the environment and started running the program you wrote, but the result is incorrect. For example, when running travel_detection.py, an error message appears as follows: (exercise-tracking) PS D:\git\basketball\AI-Basketball-Referee> python travel_detection.py
Traceback (most recent call last):
File "D:\git\basketball\AI-Basketball-Referee\travel_detection.py", line 4, in
from gtts import gTTS
ModuleNotFoundError: No module named 'gtts'
Other programs also have errors. What's going on?